Shen Zhiyao lived for Lin Yuan for three years, imitating her smile, voice, breathing, and even shed tears according to the script. When Jiang Xu's music was finally reborn because of her, she changed her destiny - putting all the substitute recordings, forged contracts, and deleted tracks on trending searches. It turns out that she is not a substitute, but a carefully packaged sacrifice. The person who really remembers Lin Yu'an is not Jiang Xu, but the person who painted her face all over the nursing home. When the truth was revealed and the substitute became king, the original owner remained silent, while the agent and restorer each held half a will written in blood.